var ceny = [[0,30.6],[-1,33.3],[-2,33.5],[-3,32.9]];

var litry = [[0,47.52],[-1,37.51],[-2,29.33],[-3,49.79]];

var tdatumy = {0:['16.02.2011'],1:['17.01.2011'],2:['30.12.2010'],3:['10.12.2010']};